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Year : 2003  |  Volume : 20  |  Issue : 1  |  Page : 14-17

Single step access into the pelvicalyceal system using the webb target dilator for PCNL and comparison with sequential dilatation technique

Department of Urology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India

Correspondence Address:
Monish Aron
Department of Urology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi - 110 029
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Source of Support: None, Conflict of Interest: None

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Objectives: To evaluate the effectiveness and safety of the single step dilatation of the pelvicalyceal system using the Webb target dilator. Methods: Thirty consecutive patients who underwent PCNL using the Webb dilator were compared with 30 pa­tients in whom sequential dilatation was done. The two groups were similar as regards age, stone location and degree of hydronephrosis. Results: The Webb dilator was associated with a lesser time for tract dilatation as compared to the sequential dila­tation group. There were no significant complication in either group. There was a higher incidence of failure of adequate access to pelvicalyceal system with the Webb dilator group if the pelvicalyceal system was not dilated. Conclusions: The Webb target dilator is a safe, rapid and effective method of tract dilatation during PCNL and is associated with significantly shorter time in tract dila­tation as compared to the sequential dilatation group. How­ever it is not suitable for non-dilated pelvicalyceal systems.

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